92 Rockwell Automation Publication 1756-UM001M-EN-P - February 2012
Chapter 5 Communication Networks
EtherNet/IP Network
Communication
The EtherNet/IP network offers a full suite of control, configuration, and data
collection services by layering the Common Industrial Protocol (CIP) over the
standard Internet protocols, such as TCP/IP and UDP. This combination of
well-accepted standards provides the capability required to both support
information data exchange and control applications.
The EtherNet/IP network uses commercial, off-the-shelf Ethernet components
and physical media, providing you with a cost-effective plant-floor solution.
Figure 6 - EtherNet/IP Network Example
For more information about using EtherNet/IP modules, see the EtherNet/IP
Modules in Logix5000 Control Systems User Manual, publication
ENET-UM001
.
ControlLogix EtherNet/IP Module Features
The ControlLogix EtherNet/IP communication modules provide these features:
• Support for messaging, produced/consumed tags, HMI, and
distributed I/O
• The ability to encapsulate messages within the standard TCP/UDP/IP
protocol
• A common application layer with ControlNet and DeviceNet networks
• Network connections via an RJ45 cable
• Support half/full duplex 10 MB or 100 MB operation
• Support standard switches
Switch
Distributed I/O
1756-EN2T Module
(as an adapter) with 1756 I/O
Modules
1794-AENT Adapter with 1794
I/O Modules
Workstation
CompactLogix™ Controller
with Integrated EtherNet/IP
Port
ControlLogix
Controller with
1756-EN2T Module
1734-AENT Adapter with 1734
I/O Modules
PowerFlex® 700S AC Drive
with DriveLogix™
Software
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